2048游戏高级版

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <conio.h>
#include <windows.h>

using namespace std;

class Game2048 {
private:
    vector<vector<int>> board;
    int score;
    bool gameOver;
    bool won;

    // 随机生成一个新的数字（2或4）
    void generateNewNumber() {
        int emptyCount = 0;
        for (const auto& row : board) {
            for (int cell : row) {
                if (cell == 0) emptyCount++;
            }
        }

        if (emptyCount == 0) return;

        int pos = rand() % emptyCount + 1;
        int value = (rand() % 10 == 0) ? 4 : 2; // 10%概率生成4，90%生成2

        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if (board[i][j] == 0) {
                    pos--;
                    if (pos == 0) {
                        board[i][j] = value;
                        return;
                    }
                }
            }
        }
    }

    // 检查游戏是否结束
    bool checkGameOver() {
        // 检查是否有空位
        for (const auto& row : board) {
            for (int cell : row) {
                if (cell == 0) return false;
            }
        }

        // 检查是否还有可合并的数字
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 3; j++) {
                if (board[i][j] == board[i][j+1]) return false;
                if (board[j][i] == board[j+1][i]) return false;
            }
        }

        return true;
    }

    // 辅助函数：打印分隔线
    void printLine() {
        cout << "+------+------+------+------+" << endl;
    }

public:
    Game2048() : board(4, vector<int>(4, 0)), score(0), gameOver(false), won(false) {
        srand(time(0));
        generateNewNumber();
        generateNewNumber();
    }

    // 显示游戏界面
    void printBoard() {
        system("cls"); // 清屏

        cout << "================ 2048 游戏 ================" << endl;
        cout << "分数: " << score << endl;
        cout << "操作: 方向键移动，Q键退出" << endl << endl;

        printLine();
        for (const auto& row : board) {
            for (int cell : row) {
                cout << "|";
                if (cell == 0) {
                    cout << "      ";
                } else {
                    // 根据数字大小设置宽度，确保对齐
                    int width = 6;
                    int numDigits = to_string(cell).length();
                    int spaces = (width - numDigits) / 2;
                    
                    for (int i = 0; i < spaces; i++) cout << " ";
                    cout << cell;
                    for (int i = 0; i < width - numDigits - spaces; i++) cout << " ";
                }
            }
            cout << "|" << endl;
            printLine();
        }

        if (won) {
            cout << endl << "恭喜你赢了！继续挑战更高分数吧！" << endl;
        }
    }

    // 向左移动
    bool moveLeft() {
        bool moved = false;
        
        for (int i = 0; i < 4; i++) {
            // 移除空格
            for (int j = 0; j < 4; j++) {
                if (board[i][j] == 0) {
                    for (int k = j + 1; k < 4; k++) {
                        if (board[i][k] != 0) {
                            board[i][j] = board[i][k];
                            board[i][k] = 0;
                            moved = true;
                            break;
                        }
                    }
                }
            }

            // 合并相同数字
            for (int j = 0; j < 3; j++) {
                if (board[i][j] != 0 && board[i][j] == board[i][j+1]) {
                    board[i][j] *= 2;
                    score += board[i][j];
                    if (board[i][j] == 2048) won = true;
                    board[i][j+1] = 0;
                    moved = true;
                    
                    // 合并后需要再次向左移动填补空位
                    for (int k = j + 1; k < 3; k++) {
                        board[i][k] = board[i][k+1];
                        board[i][k+1] = 0;
                    }
                }
            }
        }
        
        return moved;
    }

    // 向右移动
    bool moveRight() {
        bool moved = false;
        
        for (int i = 0; i < 4; i++) {
            // 移除空格
            for (int j = 3; j >= 0; j--) {
                if (board[i][j] == 0) {
                    for (int k = j - 1; k >= 0; k--) {
                        if (board[i][k] != 0) {
                            board[i][j] = board[i][k];
                            board[i][k] = 0;
                            moved = true;
                            break;
                        }
                    }
                }
            }

            // 合并相同数字
            for (int j = 3; j > 0; j--) {
                if (board[i][j] != 0 && board[i][j] == board[i][j-1]) {
                    board[i][j] *= 2;
                    score += board[i][j];
                    if (board[i][j] == 2048) won = true;
                    board[i][j-1] = 0;
                    moved = true;
                    
                    // 合并后需要再次向右移动填补空位
                    for (int k = j - 1; k > 0; k--) {
                        board[i][k] = board[i][k-1];
                        board[i][k-1] = 0;
                    }
                }
            }
        }
        
        return moved;
    }

    // 向上移动
    bool moveUp() {
        bool moved = false;
        
        for (int j = 0; j < 4; j++) {
            // 移除空格
            for (int i = 0; i < 4; i++) {
                if (board[i][j] == 0) {
                    for (int k = i + 1; k < 4; k++) {
                        if (board[k][j] != 0) {
                            board[i][j] = board[k][j];
                            board[k][j] = 0;
                            moved = true;
                            break;
                        }
                    }
                }
            }

            // 合并相同数字
            for (int i = 0; i < 3; i++) {
                if (board[i][j] != 0 && board[i][j] == board[i+1][j]) {
                    board[i][j] *= 2;
                    score += board[i][j];
                    if (board[i][j] == 2048) won = true;
                    board[i+1][j] = 0;
                    moved = true;
                    
                    // 合并后需要再次向上移动填补空位
                    for (int k = i + 1; k < 3; k++) {
                        board[k][j] = board[k+1][j];
                        board[k+1][j] = 0;
                    }
                }
            }
        }
        
        return moved;
    }

    // 向下移动
    bool moveDown() {
        bool moved = false;
        
        for (int j = 0; j < 4; j++) {
            // 移除空格
            for (int i = 3; i >= 0; i--) {
                if (board[i][j] == 0) {
                    for (int k = i - 1; k >= 0; k--) {
                        if (board[k][j] != 0) {
                            board[i][j] = board[k][j];
                            board[k][j] = 0;
                            moved = true;
                            break;
                        }
                    }
                }
            }

            // 合并相同数字
            for (int i = 3; i > 0; i--) {
                if (board[i][j] != 0 && board[i][j] == board[i-1][j]) {
                    board[i][j] *= 2;
                    score += board[i][j];
                    if (board[i][j] == 2048) won = true;
                    board[i-1][j] = 0;
                    moved = true;
                    
                    // 合并后需要再次向下移动填补空位
                    for (int k = i - 1; k > 0; k--) {
                        board[k][j] = board[k-1][j];
                        board[k-1][j] = 0;
                    }
                }
            }
        }
        
        return moved;
    }

    // 处理用户输入
    void handleInput() {
        int key = _getch();
        
        // 方向键的ASCII码特殊，需要处理两次
        if (key == 224) {
            key = _getch();
            switch (key) {
                case 72: moveUp(); break;    // 上
                case 80: moveDown(); break;  // 下
                case 75: moveLeft(); break;  // 左
                case 77: moveRight(); break; // 右
            }
        } else if (key == 'q' || key == 'Q') {
            gameOver = true;
        }
        
        // 如果移动了，生成新数字并检查游戏是否结束
        if (!gameOver) {
            generateNewNumber();
            gameOver = checkGameOver();
        }
    }

    // 游戏主循环控制
    void play() {
        while (!gameOver) {
            printBoard();
            handleInput();
        }
        
        printBoard();
        cout << endl << "游戏结束！最终得分: " << score << endl;
        if (won) {
            cout << "恭喜你成功合成了2048！" << endl;
        } else {
            cout << "再接再厉！" << endl;
        }
    }
};

int main() {
    Game2048 game;
    game.play();
    return 0;
}